Year	Number
1960	52604
1961	53709
1962	54768
1963	55923
1964	57119
1965	58392
1966	59674
1967	60942
1968	62259
1969	63608
1970	65079
1971	66659
1972	68322
1973	70046
1974	72047
1975	74323
1976	76613
1977	78629
1978	80321
1979	81926
1980	83474
1981	84983
1982	86423
1983	87718
1984	88867
1985	89871
1986	90731
1987	91500
1988	92124
1989	92575
1990	92949
1991	93389
1992	94111
1993	95073
1994	96037
1995	96915
1996	97710
1997	98450
1998	99159
1999	99838
2000	100501
2001	100990
2002	101481
2003	102094
2004	102668
2005	103313
2006	104323
2007	105578
2008	106826
2009	108112
2010	109408
2011	110714
2012	112043
2013	113379
2014	114644
2015	115831
2016	117048
2017	118273
2018	119470
2019	120775
2020	122640
2021	125070
2022	127229
2023	129102